Home / 110,001.80-165,002.70-76,759.40

Finding the Fourth Proportional to 110,001.80, 165,002.70 and 76,759.40

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Solution

The fourth proportional to 110,001.80, 165,002.70 and 76,759.40 is: 115,139.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,001.80 : 165,002.70 = 76,759.40 : x
  2. Step 2: Convert to fraction form
    110,001.80/165,002.70 = 76,759.40/x
  3. Step 3: Cross multiply
    110,001.80x = 165,002.70 × 76,759.40
  4. Step 4: Simplify right side
    110,001.80x = 12,665,508,250.38
  5. Step 5: Solve for x
    x = 12,665,508,250.38/110,001.80
  6. Step 6: Final answer
    x = 115,139.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.